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Helium Demand Ballooning

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AMARILLO, Texas, Oct. 19, 2007 -- The worldwide shortage of helium is resulting in rising prices and tight supplies for party supply stores, but it won't deflate Macy's annual tradition of floating gigantic characters down Broadway in New York City this Thanksgiving. An international helium shortage, warned about for years, has become more evident recently, industry experts said, as rising global demands for the lighter-than-air, nonflammable gas mean short supplies for low-priority, consumer-level uses. While helium is the second most abundant element in the universe, it is hard to find on Earth, where it is a...Read full article

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    Published: October 2007
    Glossary
    electronics
    That branch of science involved in the study and utilization of the motion, emissions and behaviors of currents of electrical energy flowing through gases, vacuums, semiconductors and conductors, not to be confused with electrics, which deals primarily with the conduction of large currents of electricity through metals.
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    superconductor
    A metal, alloy or compound that loses its electrical resistance at temperatures below a certain transition temperature referred to as Tc. High-temperature superconductors occur near 130 K, while low-temperature superconductors have Tc in the range of 4 to 18 K.
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